# Swimming at the 2018 Commonwealth Games – Men's 100 metre breaststroke

The men's 100 metre breaststroke event at the 2018 Commonwealth Games was held on 6 and 7 April at the Gold Coast Aquatic Centre.

## Records

Prior to this competition, the existing world, Commonwealth and Games records were as follows:
| World record | Adam Peaty (GBR) | 57.13 | Rio de Janeiro, Brazil | 7 August 2016 |
| Commonwealth record | Adam Peaty (GBR) | 57.13 | Rio de Janeiro, Brazil | 7 August 2016 |
| Games record | Adam Peaty (ENG) | 58.94 | Glasgow, United Kingdom | 26 July 2014 |
The following records were established during the competition:
| Date | Event | Name | Nationality | Time | Record |
| 6 April | Semifinal | Adam Peaty | England | 58.59 | GR |

## Results
### Heats

The heats were held on 6 April at 11:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 4 | Adam Peaty | England | 59.14 | Q |
| 2 | 2 | 5 | James Wilby | England | 59.80 | Q |
| 3 | 2 | 4 | Cameron van der Burgh | South Africa | 1:00.20 | Q |
| 4 | 3 | 5 | Jake Packard | Australia | 1:00.29 | Q |
| 4 | 4 | 3 | Matt Wilson | Australia | 1:00.29 | Q |
| 6 | 3 | 4 | Ross Murdoch | Scotland | 1:00.92 | Q |
| 7 | 2 | 3 | Andrew Willis | England | 1:01.13 | Q |
| 8 | 4 | 5 | Craig Benson | Scotland | 1:01.63 | Q |
| 9 | 2 | 6 | Michael Houlie | South Africa | 1:01.66 | Q |
| 10 | 4 | 6 | Elijah Wall | Canada | 1:01.77 | Q |
| 11 | 3 | 3 | Liam Hunter | Australia | 1:02.17 | Q |
| 12 | 4 | 2 | Calum Tait | Scotland | 1:02.61 | Q |
| 13 | 3 | 2 | Taichi Vakasama Taichi | Fiji | 1:04.25 | Q |
| 14 | 3 | 7 | Guy Davies | Isle of Man | 1:04.88 | Q |
| 15 | 2 | 2 | Epeli Rabua Herbert | Fiji | 1:05.46 | Q |
| 16 | 4 | 7 | Ludovico Corsini | Mozambique | 1:05.83 | Q |
| 17 | 1 | 5 | Samuele Rossi | Seychelles | 1:06.25 | |
| 18 | 3 | 1 | Alexandros Axiotis | Zambia | 1:06.49 | |
| 19 | 2 | 8 | Ahllan Bique | Mozambique | 1:07.29 | |
| 20 | 3 | 8 | Mohammad Islam | Bangladesh | 1:07.51 | |
| 21 | 4 | 1 | Jonathan Chung Yee | Mauritius | 1:07.92 | |
| 22 | 2 | 1 | Leonard Kalate | Papua New Guinea | 1:08.11 | |
| 23 | 4 | 8 | Ashley Seeto | Papua New Guinea | 1:08.36 | |
| 24 | 2 | 7 | Corey Ollivierre | Grenada | 1:08.59 | |
| 25 | 1 | 3 | Jadon Wuilliez | Antigua and Barbuda | 1:09.17 | |
| 26 | 1 | 4 | David Ebanks | Cayman Islands | 1:09.55 | |
| 27 | 1 | 6 | Nikolas Sylvester | Saint Vincent and the Grenadines | 1:11.60 | |
| 28 | 1 | 7 | Colby Thomas | Saint Helena | 1:22.77 | |
| 29 | 1 | 2 | Scott George | Saint Helena | 1:31.57 | |
| | 3 | 6 | Jamie Graham | Northern Ireland | DSQ | |

### Semifinals

The semifinals were held on 6 April at 20:32.

#### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | James Wilby | England | 59.69 | Q |
| 2 | 5 | Jake Packard | Australia | 1:00.01 | Q |
| 3 | 3 | Ross Murdoch | Scotland | 1:00.07 | Q |
| 4 | 6 | Craig Benson | Scotland | 1:00.43 | Q |
| 5 | 2 | Elijah Wall | Canada | 1:01.47 | |
| 6 | 7 | Calum Tait | Scotland | 1:01.62 | |
| 7 | 1 | Guy Davies | Isle of Man | 1:04.91 | |
| 8 | 8 | Ludovico Corsini | Mozambique | 1:05.07 | |

#### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Adam Peaty | England | 58.59 | Q, GR |
| 2 | 5 | Cameron van der Burgh | South Africa | 59.74 | Q |
| 3 | 3 | Matt Wilson | Australia | 59.89 | Q |
| 4 | 6 | Andrew Willis | England | 1:01.29 | Q |
| 5 | 7 | Liam Hunter | Australia | 1:01.45 | |
| 6 | 2 | Michael Houlie | South Africa | 1:01.47 | |
| 7 | 1 | Taichi Vakasama Taichi | Fiji | 1:04.39 | |
| 8 | 8 | Epeli Rabua Herbert | Fiji | 1:05.09 | |

### Final

The final was held on 7 April at 19:48.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Adam Peaty | England | 58.84 |
| | 5 | James Wilby | England | 59.43 |
| | 3 | Cameron van der Burgh | South Africa | 59.44 |
| 4 | 2 | Jake Packard | Australia | 59.70 |
| 5 | 7 | Ross Murdoch | Scotland | 59.89 |
| 6 | 1 | Craig Benson | Scotland | 1:00.42 |
| 7 | 6 | Matt Wilson | Australia | 1:00.48 |
| 8 | 8 | Andrew Willis | England | 1:01.13 |